Totara 2.4.3 is a "snapshot" release containing bug fixes.
Here's the changelog:
Release 2.4.3 (11th June 2013):
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New features:
T-10685 Allow reports to be exported to the file system
Improvements:
T-10666 Include debugging state for a site with registration data
T-10702 Show email beside user name when assigning individuals to a program
T-10743 Add new permission for resetting course completion data
Database Upgrades:
T-10807 Removed unused image column from badge table
Bug Fixes:
T-10534 Hidden Learning Plan template cannot be set to default
T-10802 Added instruction text to Site Notices setting in Facetoface
T-10792 Only allow managers to approve their own staff for Facetoface sessions
T-10798 Added end date placeholder for emails in Facetoface
T-10710 Notification records are now deleted when Facetoface sessions are deleted
T-10811 Fixed incorrect parameter assignment in course reminder cron
T-10576 Fixed wording in report builder performance tab help
T-10806 Added missing session date to booking notifications in Facetoface
T-10545 Fixed RTL issues in Learning Plans
T-10805 Fixed automatic assignment of competencies by organisation
T-10588 Updated help text for "Override user conflicts" in Facetoface
T-10801 Fixed spacing issue in user profile fields
T-10799 Fixed RTL language style issue in exceptions reports in Programs
T-10790 Removed deprecated build_navigation() in Facetoface
T-10781 Fixed upgrade error in Leaning Plans
T-10788 Fixed one email per session date in Facetoface
T-10723 Fixed SCORM screen size issue on mobile devices
T-10786 Fixed RTL language progress bar direction
T-9369 Fixed removal of selected courses in competencies and objectives in Learning Plans
T-10419 Fixed PHP warnings in Learning Plans
T-10605 Fixed breadcrumbs when editing notifications in Facetoface
T-5734 Fixed merge issue in course activity display
T-5734 Fixed incorrect variable name in course/program search